Finding the Fourth Proportional to 5,499.71, 8,243.38 and 2,728.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499.71 : 8,243.38 = 2,728.37 : x
2. Step 2: Convert to fraction form
   5,499.71/8,243.38 = 2,728.37/x
3. Step 3: Cross multiply
   5,499.71x = 8,243.38 × 2,728.37
4. Step 4: Simplify right side
   5,499.71x = 22,490,999.36
5. Step 5: Solve for x
   x = 22,490,999.36/5,499.71
6. Step 6: Final answer
   x = 4,089.48